NEN EN 13342-2000 标准详情
- 标准号:NEN EN 13342-2000
- 中文标题:表征污泥 - 测定中凯氏氮
- 英文标题:Characterisation Of Sludges - Determination Of Kjeldahl Nitrogen
- 标准类别:荷兰国家标准NEN
- 发布日期:
Specifies a method to determine the "Kjeldahl Nitrogen" in sludge and sludge products. Digestion is catalysed by copper or selenium, the temperature being raised by a high concentration of sodium sulphate. Although wet samples are usually taken for
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